Home / 3,129,933.64-4,696,644.90-1,690,588

Finding the Fourth Proportional to 3,129,933.64, 4,696,644.90 and 1,690,588

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Solution

The fourth proportional to 3,129,933.64, 4,696,644.90 and 1,690,588 is: 2,536,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,933.64 : 4,696,644.90 = 1,690,588 : x
  2. Step 2: Convert to fraction form
    3,129,933.64/4,696,644.90 = 1,690,588/x
  3. Step 3: Cross multiply
    3,129,933.64x = 4,696,644.90 × 1,690,588
  4. Step 4: Simplify right side
    3,129,933.64x = 7,940,091,508,201.20
  5. Step 5: Solve for x
    x = 7,940,091,508,201.20/3,129,933.64
  6. Step 6: Final answer
    x = 2,536,824.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.